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ORDER
Volume Discounts
Table
ELEMENTS OF COMBUSTION OF NATURAL GAS
1 ft
3
natural gas + 10 ft
3
air + flame = 8 ft
3
nitrogen +
1 ft
3
carbon dioxide + 2 ft
3
water vapor
Heat of Combustion (for Various Materials)
Raw Material
Formula
Gross Btu/lb
Carbon
C
14,093
Hydrogen
H
2
61,095
Carbon Monoxide
CO
4,347
Methane
CH
4
23,875
Ethane
C
2
H
4
22,323
Propane
C
3
H
8
21,669
n-Butane
C
4
H
10
21,321
Isobutane
C
4
H
10
21,271
n-Pentane
C
5
H
12
21,095
Isopentane
C
5
H
12
21,047
Neopentane
C
5
H
12
20,978
n-Hexane
C
6
H
14
20,966
Ethylene
C
2
H
4
21,636
Propylene
C
3
H
6
21,048
n-Butene
C
4
H
8
20,854
Isobutene
C
4
H
8
20,737
n-Pentene
C
5
H
10
20,720
Benzene
C
6
H
6
18,184
Toluene
C
7
H
8
18,501
Xylene
C
8
H
10
18,651
Acetylene
C
2
H
2
21,502
Napthalene
C
10
H
8
17,303
Methyl alcohol
CH
3
OH
10,258
Ethyl alcohol
C
2
H
5
OH
13,161
Ammonia
NH
3
9,667
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